4 ms·

I'm really hesitant to even consider this without it being run through the Diehard Tests[0], since from my understanding, "True Randomness" should be cryptograp

I'm really hesitant to even consider this without it being run through the Diehard Tests[0], since from my understanding, "True Randomness" should be cryptographically secure should this be used in a CSPRNG. [0]: https://en.wikipedia.org/wiki/Diehard_tests https://en.wikipedia.org/wiki/Diehard_tests

daveguy 10y ago
A reference from the diehard tests page. The dieharder tests: http://www.phy.duke.edu/~rgb/General/dieharder.php http://www.phy.duke.edu/~rgb/General/dieharder.php A relatively recent (2013) library implementation of the diehard tests plus additional tests. Some things to note: The OP implementation is going to be VERY dependent on OS/language/etc. For example even if it works in C it won't necessarily work in JVM. It probably will not work on a microcontroller.
Freaky 10y ago
rng-tools includes a command for testing random number generator output. I tried this with a FreeBSD port from https://github.com/waitman/rngtest https://github.com/waitman/rngtest Results aren't great: rngtest: bits received from input: 300032 rngtest: FIPS 140-2 successes: 0 rngtest: FIPS 140-2 failures: 15 rngtest: FIPS 140-2(2001-10-10) Monobit: 15 rngtest: FIPS 140-2(2001-10-10) Poker: 15 rngtest: FIPS 140-2(2001-10-10) Runs: 15 rngtest: FIPS 140-2(2001-10-10) Long run: 0 rngtest: FIPS 140-2(2001-10-10) Continuous run: 0 rngtest: input channel speed: (min=236.690; avg=245.396; max=251.742)bits/s
- Freaky 10y ago
  And with more data: After nearly 8 hours: rngtest: bits received from input: 6762248 rngtest: FIPS 140-2 successes: 156 rngtest: FIPS 140-2 failures: 182 rngtest: FIPS 140-2(2001-10-10) Monobit: 182 rngtest: FIPS 140-2(2001-10-10) Poker: 174 rngtest: FIPS 140-2(2001-10-10) Runs: 160 rngtest: FIPS 140-2(2001-10-10) Long run: 0 rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
  - caffeinewriter 10y ago
    Yikes.

daveguy 10y ago

A reference from the diehard tests page. The dieharder tests: http://www.phy.duke.edu/~rgb/General/dieharder.php http://www.phy.duke.edu/~rgb/General/dieharder.php A relatively recent (2013) library implementation of the diehard tests plus additional tests. Some things to note: The OP implementation is going to be VERY dependent on OS/language/etc. For example even if it works in C it won't necessarily work in JVM. It probably will not work on a microcontroller.

Freaky 10y ago

rng-tools includes a command for testing random number generator output. I tried this with a FreeBSD port from https://github.com/waitman/rngtest https://github.com/waitman/rngtest Results aren't great: rngtest: bits received from input: 300032 rngtest: FIPS 140-2 successes: 0 rngtest: FIPS 140-2 failures: 15 rngtest: FIPS 140-2(2001-10-10) Monobit: 15 rngtest: FIPS 140-2(2001-10-10) Poker: 15 rngtest: FIPS 140-2(2001-10-10) Runs: 15 rngtest: FIPS 140-2(2001-10-10) Long run: 0 rngtest: FIPS 140-2(2001-10-10) Continuous run: 0 rngtest: input channel speed: (min=236.690; avg=245.396; max=251.742)bits/s

Freaky 10y ago
And with more data: After nearly 8 hours: rngtest: bits received from input: 6762248 rngtest: FIPS 140-2 successes: 156 rngtest: FIPS 140-2 failures: 182 rngtest: FIPS 140-2(2001-10-10) Monobit: 182 rngtest: FIPS 140-2(2001-10-10) Poker: 174 rngtest: FIPS 140-2(2001-10-10) Runs: 160 rngtest: FIPS 140-2(2001-10-10) Long run: 0 rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
- caffeinewriter 10y ago
  Yikes.